What does the Musulatory System do?• The muscular system is the bodys network of  tissues that controls movement both of t...
The major functions of the muscular system are:• 1. Body movement due to the contraction of skeletal muscles• 2. Maintenan...
The muscular system in your body is           composed of• Skeletal muscle         • smooth muscle is  attaches primarily ...
The Skeletal Muscle• Skeletal muscles are attached •     make up about 40% of the  to bones by tough, fibrous          bod...
Smooth Muscle• found lining the intestinal  smooth muscles in your  walls, stomach, lungs and    arteries contract to push...
Cardiac Muscle• The heart is actually a       650 muscles found in  muscle, known as the          the human body and is  c...
The optimal functioning of your    muscles depends on several organs.•   Estrogen                                •   Kidne...
The peripheral nervous system• consists of two kinds of    • The somatic system  neurons known as              involves th...
Did you know?• Muscles form about 40% of ones body• The human muscular system spread across the entire  body is controlled...
Disorders• Disorders of the muscular system can be due to genetic,  hormonal, infectious, autoimmune, poisonous, or cancer...
Muscular Dystrophy• Muscular dystrophy is a genetic muscle  disease that makes muscle fibers  abnormally susceptible to da...
Inheritance pattern of Duchenne muscular dystrophy (DMD). Sons have a 50-50 chance of inheriting the disorder from their m...
Myopathies• Myopathies are muscle diseases that affect  skeletal muscles and are caused by genetic  problems or metabolic ...
Chronic Fatigue Syndrome• Chronic fatigue syndrome is a syndrome thats  still being researched by physicians and results  ...
Fibromyalgia• Fibromyalgia results in widespread pain  throughout every muscle in a persons body.  Approximately 2% of the...
Compartment Syndrome• Compartment syndrome is an uncommon  exercised induced syndrome and causes pain,  swelling and somet...
Muscu
Muscu
Muscu
Muscu
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Muscu

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a compilation of infos abt musculatory system from various sources

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Muscu

  1. 1. What does the Musulatory System do?• The muscular system is the bodys network of tissues that controls movement both of the body and within it (such as the hearts pumping action and the movement of food through the gut). Movement is generated through the contraction and relaxation of specific muscles.
  2. 2. The major functions of the muscular system are:• 1. Body movement due to the contraction of skeletal muscles• 2. Maintenance of posture also due to skeletal muscles• 3. Respiration due to movements of the muscles of the thorax• 4. -Production of body heat, which is necessary for the maintenance of body temperature, as a byproduct of muscle contraction• 5. -Communication, such as speaking and writing, which involve skeletal muscles• 6. -Constriction of organs and vessels, especially smoother muscles that can move solids and liquids in the digestive tract and other secretions, including urine, from organs• 7. -Heart beat caused by the contraction of cardiac muscle that propels blood to all parts of the body• 8. -Shock Absorption; The muscular network of the body forms a padding for the skeletal framework, thereby protecting the vital internal organs.
  3. 3. The muscular system in your body is composed of• Skeletal muscle • smooth muscle is attaches primarily to found in your blood your skeleton and vessels, eyes, hair moves voluntarily or follicles and the walls by reflex. of hollow organs like• Cardiac muscle your stomach and intestines. Alsois the muscle of your moves involuntarilyheart and contractsinvoluntarily.
  4. 4. The Skeletal Muscle• Skeletal muscles are attached • make up about 40% of the to bones by tough, fibrous bodys mass or weight. connective tissue called tendons • They stabilize joints, help• The primary function of maintain posture, and give skeletal muscle is to produce the body its general shape voluntary gross and fine movements to keep you alive• The abdominal muscles and the muscles of your lower back help to protect your vital organs.
  5. 5. Smooth Muscle• found lining the intestinal smooth muscles in your walls, stomach, lungs and arteries contract to push other hollow organs the blood throughout the• they are controlled by the blood vessel systems in your autonomous nervous body, ultimately pushing system the blood from your• The involuntary arterioles into your contractions in your capillaries to return back to stomach and intestines aid the heart. Regulates Blood in digestion and in moving • Most of the digestive and the food along your excretory organs have digestive tract, ultimately smooth muscular tissue, so directing indigestible these organs can be said to substances to your rectum make up the muscular• When your heart contracts, system. your arteries expand to accept the blood. The
  6. 6. Cardiac Muscle• The heart is actually a 650 muscles found in muscle, known as the the human body and is cardiac muscle. one of the strongest.• Your heart is responsible • The heart is made up for receiving blood back exclusively of cardiac from your muscles, tissues and is one of the pumping it into your most muscular organs in lungs, receiving the the body, beating at an blood from the lungs average of 72 times per then pumping it out into minute (or appro- your arteries to supply ximately 3.5 billion times your entire body during a lifetime• The heart is only one of
  7. 7. The optimal functioning of your muscles depends on several organs.• Estrogen • Kidneys is secreted by the ovaries and Healthy kidneys keep the acid-base stimulates the growth of smooth balance in a range ideal for the muscle lining the reproductive tract, metabolic reactions on which muscle whereas testosterone, secreted contraction depends primarily by the testes, promotes • Brain skeletal-muscle growth, according to The brains sensorimotor cortex and "Human Physiology, brainstem transmit impulses via two• Spleen neural pathways that maintain Without well-functioning blood, healthy muscle tone, preventing both muscles would languish.(filters out muscle rigidity and flaccidity the dead)• Liver Keeping muscles supplied with energy, the liver can feed glucose to the bloodstream by breaking down hepatic energy stores,
  8. 8. The peripheral nervous system• consists of two kinds of • The somatic system neurons known as involves the skeletal sensory neurons and muscles. It is considered motor neurons. Sensory to be a voluntary system neurons are located in since the brain exerts the sensory organs, such control over movements as the eye and ear IT can such as writing or be subdivided into two throwing a ball . parts • The autonomic nervous system affects internal organs, such as the heart, lungs, stomach, and liver.
  9. 9. Did you know?• Muscles form about 40% of ones body• The human muscular system spread across the entire body is controlled by the nervous system of the body• The human body comprises over 630 muscles, of which the largest (gluteus maximus) is found in the buttocks• The muscles keep working all the time, even when we are sleeping. It is only when an individual becomes unconscious, that the body is in a complete state of muscular rest. Otherwise, the muscles are always contracting and relaxing.
  10. 10. Disorders• Disorders of the muscular system can be due to genetic, hormonal, infectious, autoimmune, poisonous, or cancerous causes.• But the most common problem associated with this system is injury from misuse.• Skeletal muscle sprains and tears cause excess blood to seep into the tissue in order to heal it.• The remaining scar tissue leads to a slightly shorter muscle.• Muscular impairment and cramping can result from a diminished blood supply.• Cramping ( very common) can be due to overexertion or .• Poor blood supply to the heart muscle causes chest pain called angina pectoris.• And inadequate ionic supplies of calcium, sodium, or potassium can adversely effect most muscle cells.
  11. 11. Muscular Dystrophy• Muscular dystrophy is a genetic muscle disease that makes muscle fibers abnormally susceptible to damage. Most types of muscular dystrophy are caused by the deficiency of a protein known as dystrophin.
  12. 12. Inheritance pattern of Duchenne muscular dystrophy (DMD). Sons have a 50-50 chance of inheriting the disorder from their mother if she carries the gene for it on one of her X chromosomes.
  13. 13. Myopathies• Myopathies are muscle diseases that affect skeletal muscles and are caused by genetic problems or metabolic disorders according to the Neurology Channel. Most types of myopathies results in weak skeletal muscles and often develop at a young age.
  14. 14. Chronic Fatigue Syndrome• Chronic fatigue syndrome is a syndrome thats still being researched by physicians and results in extreme fatigue that doesnt go away with rest, according to the Mayo Clinic. Symptoms of chronic fatigue syndrome include loss of memory, difficulty concentrating, fatigue, random muscle pain, headaches, unrefreshing sleep and sore throats.
  15. 15. Fibromyalgia• Fibromyalgia results in widespread pain throughout every muscle in a persons body. Approximately 2% of the entire US population is affected by fibromyalgia. Symptoms of fibromyalgia include joint tenderness, fatigue problems, and sleep disturbances.
  16. 16. Compartment Syndrome• Compartment syndrome is an uncommon exercised induced syndrome and causes pain, swelling and sometimes disability in persons legs or arms. Compartment syndrome is more common among seasoned athletes but can affect anyone.

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